| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| immune system tree diagram | 0.29 | 0.1 | 1801 | 77 | 26 |
| immune | 1.29 | 0.8 | 5637 | 96 | 6 |
| system | 0.94 | 0.5 | 8922 | 91 | 6 |
| tree | 0.65 | 0.1 | 9095 | 16 | 4 |
| diagram | 0.24 | 1 | 1561 | 5 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| immune system tree diagram | 1.17 | 0.1 | 2804 | 17 |
